11H-CYCLOHEPTA(b)QUINOLIN-11-ONE, 5,6,7,8,9,10-HEXAHYDRO-4-CHLORO- 4-Chloro-5,6,7,8,9,10-hexahydro-11H-cyclohepta(b)quinolin-11-one 5778-55-2 BRN 1533782